A wind power plant and a method for control

F - Mech Eng,Light,Heat,Weapons – 03 – D

Patent

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Details

F03D 9/00 (2006.01) H02J 3/00 (2006.01) H02J 3/38 (2006.01) H02M 5/00 (2006.01) H02P 9/44 (2006.01)

Patent

CA 2375067

A wind power plant comprising at least one wind power station (29), which includes a wind turbine and an electric generator (1) driven by this wind turbine, and an electric alternating voltage connection (30) connecting the wind power station with a transmission or distribution network (31). On the network side of the plant a frequency converter (34) is connected in the electrical alternating voltage connection (30), which frequency converter is arranged to fix the frequency of the connection between the wind power station and the converter to be essentially below the network frequency and to convert this low frequency of the connection into correspondence with the higher frequency of the network. Furthermore, the invention comprises a corresponding method for control.

Installation de production de courant par l'énergie éolienne qui comporte au moins une éolienne (29) pourvue d'une turbine éolienne et d'un générateur électrique (1) entraîné par la turbine éolienne, ainsi que d'une connexion électrique (30) de tension alternative connectant l'éolienne à un réseau (31) de transmission ou de distribution. Du côté réseau de l'installation, un convertisseur de fréquence (34) est connecté dans la connexion électrique (30) de tension alternative, ledit convertisseur de fréquence étant conçu pour fixer la fréquence de la connexion entre l'éolienne et le convertisseur de manière qu'elle soit essentiellement inférieure à la fréquence de réseau et pour convertir cette basse fréquence de la connexion de manière qu'elle corresponde à la fréquence plus élevée du réseau. La présente invention comporte en outre un procédé de commande associé.

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